Phone Comparison - Apple iPhone 4 vs Samsung Galaxy Ace Duos vs Huawei Ascend G730
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| Manufacturer | Apple | Samsung | Huawei |
| Announced | June 2010 | May 2012 | February 2014 |
| Status | Available - June 2010 | Available - June 2012 | Available - April 2014 |
| Colors | Black, White | Black | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
115.2 x 58.6 x 9.3 mm (4.54 x 2.31 x 0.37 in) |
112.7 x 61.5 x 11.5 mm (4.44 x 2.42 x 0.45 in) |
151.5 x 78.3 x 9.6 mm (5.96 x 3.08 x 0.38 in) |
| Weight | 137 g (4.83 oz) | 122 g (4.3 oz) | 180 g (6.35 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 900 / 2100 | HSDPA 900 / 2100 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS | SMS, MMS, EMail, IM |
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| OS | iOS 4, upgradable to iOS 5 | Android OS, v2.3 (Gingerbread) | Android OS, v4.3 (Jelly Bean) |
| Processor | 1 GHz Cortex-A8, Apple A4 | 832 MHz | Quad-core 1.3 GHz Cortex-A7 |
| GPU | PowerVR SGX535 | - | |
| RAM | 512 MB | N/A | 1 GB |
| Internal Memory | 8/16/32 GB storage | 3 GB storage, 512 MB | 4 GB |
| External Memory | No | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | LED-backlit IPS TFT, capacitive touchscreen | TFT capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 3.5 inches | 3.5 inches | 5.5 inches |
| Resolution | 640 x 960 pixels (330 ppi) | 320 x 480 pixels (165 ppi) | 540 x 960 pixels (200 ppi) |
| Screen-to-Body Ratio | 53.92% | 52.52% | 70.49% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | Stereo FM radio with RDS | - |
| Games | Yes + downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592 x 1944 pixels | 5 MP, 2592x1944 pixels | 5 MP, 2592 х 1944 pixels |
| Flash | LED flash | No | LED flash |
| Features | Auto focus, Touch Focus, Geo-tagging, HDR | Auto focus, Geo-tagging | Auto focus, Geo-tagging |
| Video | Yes, 720p@30fps, LED video light, geo-tagging | Yes | Yes, 1080p@30fps |
| Front Camera | Yes, videocalling over Wi-Fi only [Similar] | No [Similar] | Yes, VGA [Similar] |
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| GPRS | Class 10 (4+1/3+2 slots), 32 - 48 kbps | Yes | Yes |
| Edge | Class 10, 236.8 kbps | Yes | Yes |
| 3G | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | HSDPA, 7.2 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v2.1 with A2DP | Yes, v3.0 with A2DP | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML (Safari) | HTML | HTML |
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| Internal | 8/16/32 GB storage, 512 MB RAM | 3GB storage, 512 MB | 4 GB, 1 GB RAM |
| Expandable Storage | No | microSD, up to 32 GB | microSD, up to 32 GB |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| NFC | |
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| Type | Standard battery, Li-Po | Standard battery, Li-Ion | Li-Ion Battery |
| Capacity | 1420 mAh | 1300 mAh | 2300 mAh |
| Stand by | Up to 300 h (2G) Up to 300 h (3G) |
Up to 520 h (2G) Up to 410 h (3G) |
Up to 200 h |
| Talk Time | Up to 14 h (2G) Up to 7 h (3G) |
Up to 6 h 30 min (2G) Up to 16 h 40 min (3G) |
Up to 3 h |
